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30231144000131 = 171778302588243
BaseRepresentation
bin1101101111110101111001…
…00110010110101010000011
310222001001212101220120111212
412313322330212112222003
512430301340331001011
6144143555033200335
76240061634103344
oct667727446265203
9128031771816455
1030231144000131
1196a5a57733538
123482bb8b600ab
1313b3a27b3b669
147672a37ca0cb
153765ac50008b
hex1b7ebc996a83

30231144000131 has 4 divisors (see below), whose sum is σ = 32009446588392. Its totient is φ = 28452841411872.

The previous prime is 30231144000121. The next prime is 30231144000139. The reversal of 30231144000131 is 13100044113203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30231144000131 - 26 = 30231144000067 is a prime.

It is a super-2 number, since 2×302311440001312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30231144000097 and 30231144000106.

It is not an unprimeable number, because it can be changed into a prime (30231144000139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 889151294105 + ... + 889151294138.

It is an arithmetic number, because the mean of its divisors is an integer number (8002361647098).

Almost surely, 230231144000131 is an apocalyptic number.

30231144000131 is a deficient number, since it is larger than the sum of its proper divisors (1778302588261).

30231144000131 is a wasteful number, since it uses less digits than its factorization.

30231144000131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778302588260.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 30231144000131 its reverse (13100044113203), we get a palindrome (43331188113334).

The spelling of 30231144000131 in words is "thirty trillion, two hundred thirty-one billion, one hundred forty-four million, one hundred thirty-one", and thus it is an aban number.

Divisors: 1 17 1778302588243 30231144000131